Could also be the fact that the firewall, by default, expect an end of line response 
from the ftp server, when it doesn't get one then it just hangs for a very long time 
until the connection eventually times out.  There is a modification to the base.def 
which is to comment out the line "ENFORCE_NEW_LINE" by adding a // to the front of it. 
 This change is made on the management station and then push a policy down to the 
modules.  I believe this should resolve your issue.

-----Original Message-----
From: "Scheidel, Greg (Contractor)" <[EMAIL PROTECTED]>
Date:         Wed, 2 Jan 2002 16:17:06 -0500
To: [EMAIL PROTECTED]
Subject:      Re: [FW-1] Connection reset after login to FTP server?


> Kevin Martin:
> > Some ftp servers want to know who you are coming
> > in (name resolution).  If they can't do a reverse
> > lookup on your ip address they may send an ident
> > request.  When this fails, they drop the connection.
> > This is what I suspect is happening to your connection.
>
> Assuming you manage your own SOA...
>
> Check your logs for DNS & ident queries from the FTP server.  Check your DNS
> server logs for reverse lookups against the client's IP address (or against
> the IP address that the client is seen as by the FTP server, if you're doing
> any NATing).
>
> If this turns out to be the case, consider putting up an rwall service so
> that reverse lookups for internal user IP addresses are given a generic
> response.  Info on one such service at http://cr.yp.to/djbdns/walldns.html.
>
> Greg S.
>
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